Portapack-Carnage

◆ RCC_CSR_RTCSEL_HSE

#define RCC_CSR_RTCSEL_HSE   ((uint32_t)0x00030000)

#include <firmware/chibios/os/hal/platforms/STM32L1xx/stm32l1xx.h>

HSE oscillator clock divided by 2, 4, 8 or 16 by RTCPRE used as RTC clock